From owner-svn-src-head@freebsd.org Fri Jan 3 04:37:48 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 2D6C71E5BFF; Fri, 3 Jan 2020 04:37:48 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47psb00Rwvz4P63; Fri, 3 Jan 2020 04:37:48 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 0A7F326AC5; Fri, 3 Jan 2020 04:37:48 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 0034bl84033232; Fri, 3 Jan 2020 04:37:47 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 0034blv7033231; Fri, 3 Jan 2020 04:37:47 GMT (envelope-from mav@FreeBSD.org) Message-Id: <202001030437.0034blv7033231@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Fri, 3 Jan 2020 04:37:47 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r356315 - head/sys/dev/md X-SVN-Group: head X-SVN-Commit-Author: mav X-SVN-Commit-Paths: head/sys/dev/md X-SVN-Commit-Revision: 356315 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Jan 2020 04:37:48 -0000 Author: mav Date: Fri Jan 3 04:37:47 2020 New Revision: 356315 URL: https://svnweb.freebsd.org/changeset/base/356315 Log: Avoid duplicate I/O statistics accounting. Alike to geom_disk free the provider statistics structure and point GEOM toward local statistics. It allows to save some CPU time. MFC after: 2 weeks Modified: head/sys/dev/md/md.c Modified: head/sys/dev/md/md.c ============================================================================== --- head/sys/dev/md/md.c Fri Jan 3 01:21:15 2020 (r356314) +++ head/sys/dev/md/md.c Fri Jan 3 04:37:47 2020 (r356315) @@ -1295,6 +1295,8 @@ mdinit(struct md_s *sc) gp = g_new_geomf(&g_md_class, "md%d", sc->unit); gp->softc = sc; pp = g_new_providerf(gp, "md%d", sc->unit); + devstat_remove_entry(pp->stat); + pp->stat = NULL; pp->flags |= G_PF_DIRECT_SEND | G_PF_DIRECT_RECEIVE; pp->mediasize = sc->mediasize; pp->sectorsize = sc->sectorsize; @@ -1310,10 +1312,11 @@ mdinit(struct md_s *sc) } sc->gp = gp; sc->pp = pp; - g_error_provider(pp, 0); - g_topology_unlock(); sc->devstat = devstat_new_entry("md", sc->unit, sc->sectorsize, DEVSTAT_ALL_SUPPORTED, DEVSTAT_TYPE_DIRECT, DEVSTAT_PRIORITY_MAX); + sc->devstat->id = pp; + g_error_provider(pp, 0); + g_topology_unlock(); } static int